电容电压 偏移是二极管箝位型多电平逆变器的主要缺点.The DC - capacitor - voltage drift is the main technical drawback of diode clamped multi - level inverter ( DCMLI ).摘要:目的: 介绍精密附着体固位型义齿的设计原则,制作方法,评价其临床效果.Objective : To improve the design and co...
The design of the bicycle has managed to reduce the effects of wind resistance and drag.这种自行车的设计成功地减少了风的阻力和摩擦力。Drag onto the page to add a thyristor, bi - directional triode - type, triac - gated switch.拖到绘图页后,可以添加可控硅 、 ...
Also , try to avoid abbreviations. If you must abbreviate, use standard abbreviations.避免用缩略语, 如果必须, 要用标准缩略语.We shall abbreviate'directed graph'to digraph.我们将把“有方向的图”简称为方向图.She had lost the power to abbreviate t...
Pep rallies. Pop quizzes. Proms.搞一些鼓舞人心的大会、突然袭击的测验、班级里的舞会.The same criticism has been made for years about high school graduations and senior proms.高中毕业典礼和初中毕业舞会同样受到指责.The same criticism has been made for years about hig...
He struck the ball straight into the hospitality tents.他将球直接打进迎宾帐篷里。They put up their tents and settled down for the night.他们搭好帐篷，准备过夜。I helped out in the tents fetching and carrying.我在帐篷里帮忙打杂。...